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24 Dec 2017

12. Random Access Memory (RAM) in a computer is said to be volatile, meaning: a) The content of memory is erased once the machine is turned off x b) The content of memory changes rapidly c) The content of memory changes unpredictably d) The content of memory cannot be read e) None of the above

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Keith Leannon
Keith LeannonLv2
25 Dec 2017
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Related questions

20. The Partition Memory Management technique requires the use of Base and Bound registers to a) Hold the beginning address and the length of the partition for the current process. X b) Hold the program counter and accumulator for the current process. c) Hold the number of processes running in the partition and the maximum number of processes that can be run in the given partition. d) Hold the amount of memory used and maximum memory needed by the current process. e) None of the above

13. The Fetch-Decode-Execute cycle refers to the process by which the CPU a) Retrieves a program instruction from the main memory, determines the action dictated by the instruction, and carries out the action. X b) Retrieves a program instruction from permanent storage and places it in the main memory. c) Retrieves data for a program and places it in the accumulator. d) Fetches the user input and displays it on the screen. e) None of the above

27. In a packet switched computer network which of the following statements is true? a) If a packet is lost or damaged, then the entire message needs to be retransmitted. b) Network devices need to have sufficient memory to store all packets for a given message. c) All packets belonging to the same message must use the same route for a given destination. d) The latency is lower than a message switched network, since the first packet can be sent right away without waiting for other packets to be ready. x e) None of the above

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